A Royal Canadian Air Force C-130J equipped with optical cameras will be making a Open Skies Treaty observation flight over parts of Russia this week.
By Allied Joint Force Command Brunssum (20151026_christian.timmig_TO_and_Landings_04) [CC BY-SA 2.0], via Wikimedia Commons
This will be a joint mission by Canada, the U.K. and Ukraine. The plane is based at Kubinka airfield outside Moscow.